On Mon, Sep 7, 2020 at 5:32 PM Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote: > > The gpio-siox driver uses handle_nested_irq() to implement its > interrupt support. This is only capable of handling threaded irq > actions. For a hardirq action it triggers a NULL pointer oops. > (It calls action->thread_fn which is NULL then.) > > Prevent registration of a hardirq action by setting > gpio_irq_chip::threaded to true. > > Cc: u.kleine-koenig@xxxxxxxxxxxxxx > Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> > --- Could you add a Fixes tag? This looks like stable material. Bart